Package & Size: You will receive a set of tree stump removal tools, including 23 copper nails, 1 stainless steel nail, and 1 cobalt drill bit. The package provides sufficient quantity for daily use and replacements. The copper nails and stainless steel nail measure 3.5 inches x 3.5mm. The drill bit measures 2.7 inches x 3.5mm. Premium Material: These nails are made of pure copper and stainless steel, offering durability, rust resistance, and long service life. The drill bit is constructed from cobalt-infused high-speed steel, providing resistance to heat, wear, and deformation. Tree Stump Removal: The copper nails are designed to inhibit tree regrowth by releasing copper ions into the stump, aiding in the decomposition process. How to Use: Use the included drill bit or stainless steel nail to create pilot holes in the stump. Insert the copper nails into the holes using a hammer, spacing them evenly around the base of the stump. Protect Surrounding Plants: This method allows for targeted stump treatment without harming nearby vegetation. Color: Copper + Silver Material: Copper, Stainless Steel, High-Speed Steel with Cobalt Package Contents: 23 x Copper Nails 1 x Stainless Steel Nail 1 x Drill Bit Note: The package includes only the items listed above. Light reflection and display differences may cause slight variations between the image and the actual product color. Measurement error allowance is +/- 1-3 cm.